#include <iostream>
#include <stdlib.h>
#include <assert.h>

#define mydebug printf

#define NUM 6
int sum(int* a, int num){
    int s = 0;
    for (int i = 0; i < num; i++){
        s+= a[i];
    }
    return s;
}

char can[] = "Can be divided.";
char cannot[] = "Can't be divided.";

int get_divide(int* w);

int main(){
    int w[NUM];
    int lc = 1; // loop count
    char rs[100];
    for( int i = 0; i < NUM;  i++){
        cin >> w[i];
    }
    while (sum(w, NUM) ! = 0){
        int rf = get_divde(w);
        if(rf == 0){
            strcpy(rs, cannot);
        }else{
            strcpy(rs, can);
        }
        cout << "Collection #" << lc <<":" <<endl << rs <<endl <<endl;
        lc ++;
    }
    return 0;
}


int get_divide(int* w){
    
}